Serum device



FIG. 1 is a front perspective view of a serum device.

FIG. 2 is a front elevation view of the serum device of FIG. 1.

FIG. 3 is a back elevation view of the serum device of FIG. 1.

FIG. 4 is a right side elevation view of the serum device of FIG. 1.

FIG. 5 is a left side elevation view of the serum device of FIG. 1.

FIG. 6 is a top plan view of the serum device of FIG. 1; and,

FIG. 7 is a bottom plan view of the serum device of FIG. 1.

The broken lines, the areas within them, and the areas bounded by brokenlines and solid lines depict portions of the serum device that form nopart of the claimed design.

CLAIM The ornamental design for a serum device, as shown and described.